package com.hanbang.gycatering.myviews;

import com.hanbang.gycatering.utils.MyLog;

import android.content.Context;

import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.PorterDuff.Mode;
import android.graphics.PorterDuffXfermode;
import android.graphics.Rect;
import android.graphics.RectF;
import android.util.AttributeSet;
import android.widget.ImageView;

public class CircleImageView extends ImageView {

	public CircleImageView(Context context) {
		super(context);
		// TODO Auto-generated constructor stub
	}

	public CircleImageView(Context context, AttributeSet attrs) {
		super(context, attrs);
	}

	public CircleImageView(Context context, AttributeSet attrs, int defStyle) {
		super(context, attrs, defStyle);
	}

	@Override
	public void setImageBitmap(Bitmap bm) {
		// 把bitmap变成圆形
		super.setImageBitmap(getRoundedCornerBitmap(bm));
	}
	public Bitmap getCroppedBitmap(Bitmap bmp, int radius) {
		try {
			Bitmap sbmp;
			if (bmp.getWidth() != radius || bmp.getHeight() != radius)
				sbmp = Bitmap.createScaledBitmap(bmp, radius, radius, false);
			else
				sbmp = bmp;
			sbmp.getWidth();
			sbmp.getHeight();
			MyLog.e("getCroppedBitmap",
					sbmp.getWidth() + "     " + sbmp.getHeight());
			Bitmap output = Bitmap.createBitmap(sbmp.getWidth(),
					sbmp.getHeight(), Config.ARGB_8888);
			Canvas canvas = new Canvas(output);

			final Paint paint = new Paint();
			final Rect rect = new Rect(0, 0, sbmp.getWidth(), sbmp.getHeight());

			paint.setAntiAlias(true);
			paint.setFilterBitmap(true);
			paint.setDither(true);
			canvas.drawARGB(0, 0, 0, 0);
			paint.setColor(Color.parseColor("#BAB399"));
			canvas.drawCircle(sbmp.getWidth() / 2 + 0.7f,
					sbmp.getHeight() / 2 + 0.7f, sbmp.getWidth() / 2 + 0.1f,
					paint);
			paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
			canvas.drawBitmap(sbmp, rect, rect, paint);
			return output;
		} catch (Exception e) {
			e.printStackTrace();
		}
		return bmp;

	}

	public Bitmap getRoundedCornerBitmap(Bitmap bitmap) {

		Bitmap output = Bitmap.createBitmap(bitmap.getWidth(),
				bitmap.getHeight(), Config.ARGB_8888);
		Canvas canvas = new Canvas(output);

		final Paint paint = new Paint();
		// 保证是方形，并且从中心画
		int width = bitmap.getWidth();
		int height = bitmap.getHeight();
		int w;
		int deltaX = 0;
		int deltaY = 0;
		if (width <= height) {
			w = width;
			deltaY = height - w;
		} else {
			w = height;
			deltaX = width - w;
		}
		final Rect rect = new Rect(deltaX, deltaY, w, w);
		final RectF rectF = new RectF(rect);
		paint.setAntiAlias(true);
		canvas.drawARGB(0, 0, 0, 0);
		// 圆形，所有只用一个

		int radius = (int) (Math.sqrt(w * w * 2.0d) / 2);
		canvas.drawRoundRect(rectF, radius, radius, paint);

		paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
		canvas.drawBitmap(bitmap, rect, rect, paint);
		return output;
	}
}
